
\begin{table}[htb]
\caption{Robustness check for hypothesis 1: Alternative STC measures}
\begin{center}
\begin{tabular}{l D{.}{.}{5.5} D{.}{.}{5.5} D{.}{.}{5.5}}
\hline
 & \multicolumn{1}{c}{Net STC} & \multicolumn{1}{c}{Sym. STC} & \multicolumn{1}{c}{Add. STC} \\
\hline
$\Delta$ STC Stable   & 1.76^{***}  & 1.18^{**}   & 0.91        \\
                      & (0.53)      & (0.52)      & (0.55)      \\
$\Delta$ STC Increase & 0.97^{**}   & 0.44        & 0.80^{*}    \\
                      & (0.47)      & (0.47)      & (0.47)      \\
(Intercept)           & -6.22^{***} & -5.83^{***} & -5.92^{***} \\
                      & (1.21)      & (1.21)      & (1.22)      \\
\hline
AIC                   & 18546.84    & 18552.68    & 18554.32    \\
BIC                   & 18581.78    & 18587.62    & 18589.26    \\
Log Likelihood        & -9267.42    & -9270.34    & -9271.16    \\
N                     & 2498        & 2498        & 2498        \\
Group: Parties        & 79          & 79          & 79          \\
Group: Country        & 29          & 29          & 29          \\
Var. Party            & 26.37       & 26.37       & 26.28       \\
Var. Country          & 25.24       & 25.59       & 25.53       \\
Var. Residuals        & 90.56       & 90.77       & 90.84       \\
\hline
\multicolumn{4}{l}{\scriptsize{\parbox{.8\linewidth}{$^{***}p<0.01$; $^{**}p<0.05$; $^{*}p<0.1$. Entries are unstandardised coefficients from a linear mixed-effects model with random intercepts at the country- and party-level. Standard errors in brackets.}}}
\end{tabular}
\label{TableD1}
\end{center}
\end{table}
